Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Eirikite

Big Photo

Eudidymite-Epididymite locality, Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway
© Tom Engvoldsen

Show Eirikite Photos (3)
Formula:
KNa
 
6
Be
 
2
(Si
 
15
Al
 
3
)O
 
39
F
 
2
System:Trigonal


Leifite Group.
The K analogue of leifite and telyushenkoite.

Classification of Eirikite

IMA status:Approved 2007
Nickel-Strunz 10th (pending) edition ID:9.EH.25

9 : SILICATES (Germanates)
E : Phyllosilicates
H : Transitional structures between phyllosilicate and other silicate units
Dana 8th edition ID:76.2.11.3

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
mindat.org URL:http://www.mindat.org/min-36060.html
Please feel free to link to this page.

Type Occurrence of Eirikite

Type Locality:Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway

Crystallography of Eirikite

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:P3m1 {P3 2/m 1}
Cell Parameters:a = 14.3865Å, c = 4.8733Å
Ratio:a:c = 1 : 0.339
Unit Cell Volume:V 873.50 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
4.710 (29)
4.153 (21)
3.386 (70)
3.161 (100)
3.115 (17)
2.466 (31)
2.398 (19)

Chemical Properties of Eirikite

Formula:
KNa
 
6
Be
 
2
(Si
 
15
Al
 
3
)O
 
39
F
 
2
All elements listed in formula:Al, Be, F, K, Na, O, Si

Relationship of Eirikite to other Species

Member of Group:
Leifite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
9.EH.05Manganoneptunite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
9.EH.05Neptunite
Na
 
2
KLi(Fe
2+
 
,Mn
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
9.EH.05Watatsumiite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
V
4+
2
[Si
 
8
O
 
24
]
9.EH.05IMA2009-009
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
9.EH.10Grumantite
Na[Si
 
2
O
 
4
(OH)]·H
 
2
O
9.EH.15Sarcolite
Na
 
2
Ca
 
12
(Ca,K,Fe,Sr,Mg)
 
2
Al
 
8
Si
 
12
(P,Si)O
 
52
F
 
2
9.EH.20Ussingite
Na
 
2
AlSi
 
3
O
 
8
OH
9.EH.25Leifite
(Na,H
 
2
O)Na
 
6
[F
 
2
|Be
 
2
Al
 
2
(Al,Si)Si
 
15
O
 
39
]
9.EH.25Telyushenkoite
(Cs,Na,K)Na
 
6
[F
 
2
|Be
 
2
Al
 
3
Si
 
15
O
 
39
]
9.EH.30Nafertisite
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
·2H
 
2
O

Other Names for Eirikite

Synonyms:
IMA2007-017
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Eirikite

Reference List:IMA website - Proposals approved 2007

Internet Links for Eirikite

Search Engines:
  • Look for Eirikite on Google
  • Look for Eirikite images on Google
    • External Links:
  • Look for Eirikite on Webmineral
  • Look for Eirikite on Athena Mineralogy
  • Look for Eirikite on Wikipedia
  • Look for Eirikite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Eirikite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy minerals from Mineralium.com
  • Buy from David K Joyce minerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Fine Minerals from Dan Weinrich Minerals
  • Lapis Mineral Magazin
  • Buy Fine Minerals from mineralsweb.com
  • Find Eirikite on www.crystalclassics.co.uk
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Edwards Minerals - Fine Specimens
  • SpiriferMinerals.com - high quality specimens
  • Wendel Minerals - Auktion & Shop
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Eirikite

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
    		Can. Museum of Nature & Horváth collections; Raade 2008
    Can. Museum of Nature & Horváth collections; Raade 2008
    Norway
     
    • Vestfold
      • Larvik
        • Langesundsfjorden
    		IMA website
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Lovozero Massif
            • Alluaiv Mt
              • Umbozero mine
    		Pavel M. Kartashov data
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 25th Oct 2009 07:59:53